Rules and regulations for using the computer. I got all these from the same website.
http://www.keynotesupport.com/smart-rules-using-internet.shtml

Surf smart:

Don’t click on pop-up ads. Don’t say ‘yes’ when a website wants you to download some cute thing. Don’t sign up for free stuff … the purpose of the offer or contest is usually to get your email address. Don’t register on a site unless you’ve thoroughly checked it out; see what others say about the website.

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Scan all downloaded files before opening:

Have a designated folder for all downloads and specify the folder name in your browser settings
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Guard your email address:
Treat it like your social security number. Do not give your email address to vendors, stores, and others who do not need it.
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Be careful opening email attachments:

Opening an email attachment from a stranger is a guaranteed infection. But what if the email attachment comes from a friend? The rule of thumb is: don’t open it unless you’re expecting it, or it is very personalized
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Never open an email from a stranger:

Many spam emails contain viruses and other malware in the actual email itself - not in an attachment. Delete these emails without opening them.

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